There are at least twelve artists using this name: 1. A thrash metal band from Switzerland formed in 1985. 2. Poltergeist from Poland, Wroclaw city (crust punk/grind core) 3. Solo trance project from Union Jack's Simon Berry produced the track "Vicious Circles": Released 1996 on Manifesto Records. 4. Poltergeist from Brasov, Romania(rock, alternative rock, pop-rock). They released an album containing 13 covers and 4 own-made tracks 5. A melodic death metal band from Finland.